对四罐一塔脱盐水水处理系统作了介绍 ,指出了其适用范围和主要特点 ,着重对系统调试过程中出现的喷射器不工作、衬胶渗漏、阀门选型不当、泄漏树脂、硬度超标、碱液凝结、卸酸泵腐蚀等问题进行了分析 ,提出了相应的解决办法 ,并推广了系统上应用的节能措施 The four cans and one tower demineralized water treatment system are introduced. The applicable scope and main characteristics are pointed out. The problems of inoperation, lining leakage, improper valve selection, leakage of resin, hardness Excessive, alkali condensation, pick-acid pump corrosion and other issues were analyzed and put forward the corresponding solutions, and promote the application of energy-saving measures on the system